Share this article Learn which plants thrive in your Hardiness Zone with our new interactive map! Visit Map → Home / Produce What Are Polypodium Ferns? By: Garden Guides Team ● 21 September, 2017 Learn about the polypodium genus of ferns - free video. Your browser does not support the video tag. Related Articles What Are Fiddleheads on Ferns?→ What Are Bird's Nest Ferns?→ What Are Fern Allies?→ What Are Staghorn Ferns?→ What is Organic Gardening?→ What Are Ferns?→ Plan Your Garden →